*{
	margin:0;
	padding:0;
}
.w{
	width:1200px;
	margin:auto;
}
li{
	list-style :none;
}
.header {
	height: 60px;
	background-color: none;
	margin: 30px auto;
}
.logo {
	float: left;
	width: 200px;
	height: 60px;
	background-color: none;
}
.nav {
	float: left;
	margin-left: 0px;
}
.nav ul li{
	float: left;
}
.nav ul li a {
	display:block;
	height: 60px;
	padding:0 60px;
	font-size: 25px;
	color: dodgerblue;
	text-decoration: none;
	line-height:60px;
}
.nav ul li a:hover {
	background-color:orange;
}
#main {
	 width:360px;
	 height:320px;
	 background:#fff;
	 border:1px solid #ddd;
	 position:absolute;
	 top:50%;
	 left:50%;
	 margin-left:-180px;
	 margin-top:-160px;
	 background-size: cover;
	 background-image:url(images/background.jpg);
 }
#main .title {
	height: 48px;
	line-height: 48px;
	color:#333;
	font-size:16px;
	font-weight:bold;
	text-indent:30px;
	border-bottom:1px dashed #eee;
}
#main form {
	width:300px;
	margin:20px 0 0 40px;
}
#main form label {
	margin:20px 0 0 40px;
	display:block;
}
#main form label input.text {
	width:200px;
	height:25px;
}
#main form label input.submit {
	width:200px;
	display:block;
	height:35px;
	cursor:pointer;
	margin:20px 0 0 2px;
}
#main1 {
	width:1200px;
	height:320px;
	background:#fff;
	border:1px solid #ddd;
	position:absolute;
	top:25%;
	left:25%;
	background-size: cover;
	background-image:url(images/background.jpg);
}
#main1 .title {
	height: 48px;
	line-height: 48px;
	color:#333;
	font-size:16px;
	font-weight:bold;
	text-indent:30px;
	border-bottom:1px dashed #eee;
}

.content{
	width:1200px;
	height:100px;
	margin-left:40px;
	float: left;

}
.content input{
	width:200px;
	height:30px;
	margin-left:40px;
}
#main2 {
	width:1200px;
	height:150px;
	background:#fff;
	border:1px solid #ddd;
	position:absolute;
	top:25%;
	left:25%;
	background-size: cover;
	background-image:url(images/background.jpg);
}
#main2 .title {
	height: 48px;
	line-height: 48px;
	color:#333;
	font-size:16px;
	font-weight:bold;
	text-indent:30px;
	border-bottom:1px dashed #eee;
}